Development and Comparison of Reference Equations for the Six-Minute Walk Test in Spanish Healthy Adults Aged 45¿85 Years Elena Gimeno-Santos; Jordi Vilaró; Ane Arbilllaga-Etxarri; Beatriz Herrero-Cortina; Maria Antonia Ramon; Ana Balañá Corberó; Juan Carlos Fernández-Domínguez; Carlos Zárate-Tejero; Anael Barberan-Garcia; Tamara Del Corral; Begoña Jiménez-Reguera; Asenet López; Daniel López-Fernández; Patricia Madrid Treves; Roberto Martinez-Alejos; Gerard Muñoz; Antonio Ríos-Cortés; Ketty Ruiz-López; Marta San Miguel-Pagola; Natalia Sánchez-Cayado; Beatriz Valeiro; Marie Carmen Valenza; Gerald Valenza; Ana Beatriz Varas; Silvia Córdoba; Angeles Vega; Maria Linares; Eva María Madrid; Sonia Souto; Montserrat Vendrell; Judith Garcia-Aymerich;

A New Method Using Diaphragmatic Ultrasound to Monitor the Work of Breathing During Assisted and Controlled Non-Invasive Ventilation Alba Naya-Prieto; María de los Ángeles Zambrano; Maria del Pilar Carballosa; Itziar Fernández Ormaechea; Carlos López Chang; Pablo Zazu López; Pedro Piñero Gutierrez; María Jesús Rodríguez-Nieto; Germán Peces-Barba Romero; Victoria del Pozo; Sarah Heili-Frades;

Ultrasound in the Study of Thoracic Diseases: Innovative Aspects Beatriz Romero Romero; Iván Vollmer Torrubiano; Jose Martín Juan; Sarah Heili Frades; Javier Pérez Pallares; Virginia Pajares Ruiz; Aurelio Wangüemert Pérez; Hernández Cristina Ramos; Enrique Cases Viedma;